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Side by Side Diff: ipc/message_filter.h

Issue 1322253003: ipc: Convert int types from basictypes.h to the ones from stdint.h (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 3 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef IPC_MESSAGE_FILTER_H_ 5 #ifndef IPC_MESSAGE_FILTER_H_
6 #define IPC_MESSAGE_FILTER_H_ 6 #define IPC_MESSAGE_FILTER_H_
7 7
8 #include <stdint.h>
8 #include <vector> 9 #include <vector>
Tom Sepez 2015/09/03 19:53:09 nit: ditto
tfarina 2015/09/04 14:01:14 Done.
9 10
10 #include "base/memory/ref_counted.h" 11 #include "base/memory/ref_counted.h"
11 #include "ipc/ipc_export.h" 12 #include "ipc/ipc_export.h"
12 13
13 namespace IPC { 14 namespace IPC {
14 15
15 class Sender; 16 class Sender;
16 class Message; 17 class Message;
17 18
18 // A class that receives messages on the thread where the IPC channel is 19 // A class that receives messages on the thread where the IPC channel is
19 // running. It can choose to prevent the default action for an IPC message. 20 // running. It can choose to prevent the default action for an IPC message.
20 class IPC_EXPORT MessageFilter 21 class IPC_EXPORT MessageFilter
21 : public base::RefCountedThreadSafe<MessageFilter> { 22 : public base::RefCountedThreadSafe<MessageFilter> {
22 public: 23 public:
23 MessageFilter(); 24 MessageFilter();
24 25
25 // Called on the background thread to provide the filter with access to the 26 // Called on the background thread to provide the filter with access to the
26 // channel. Called when the IPC channel is initialized or when AddFilter 27 // channel. Called when the IPC channel is initialized or when AddFilter
27 // is called if the channel is already initialized. 28 // is called if the channel is already initialized.
28 virtual void OnFilterAdded(Sender* sender); 29 virtual void OnFilterAdded(Sender* sender);
29 30
30 // Called on the background thread when the filter has been removed from 31 // Called on the background thread when the filter has been removed from
31 // the ChannelProxy and when the Channel is closing. After a filter is 32 // the ChannelProxy and when the Channel is closing. After a filter is
32 // removed, it will not be called again. 33 // removed, it will not be called again.
33 virtual void OnFilterRemoved(); 34 virtual void OnFilterRemoved();
34 35
35 // Called to inform the filter that the IPC channel is connected and we 36 // Called to inform the filter that the IPC channel is connected and we
36 // have received the internal Hello message from the peer. 37 // have received the internal Hello message from the peer.
37 virtual void OnChannelConnected(int32 peer_pid); 38 virtual void OnChannelConnected(int32_t peer_pid);
38 39
39 // Called when there is an error on the channel, typically that the channel 40 // Called when there is an error on the channel, typically that the channel
40 // has been closed. 41 // has been closed.
41 virtual void OnChannelError(); 42 virtual void OnChannelError();
42 43
43 // Called to inform the filter that the IPC channel will be destroyed. 44 // Called to inform the filter that the IPC channel will be destroyed.
44 // OnFilterRemoved is called immediately after this. 45 // OnFilterRemoved is called immediately after this.
45 virtual void OnChannelClosing(); 46 virtual void OnChannelClosing();
46 47
47 // Return true to indicate that the message was handled, or false to let 48 // Return true to indicate that the message was handled, or false to let
48 // the message be handled in the default way. 49 // the message be handled in the default way.
49 virtual bool OnMessageReceived(const Message& message); 50 virtual bool OnMessageReceived(const Message& message);
50 51
51 // Called to query the Message classes supported by the filter. Return 52 // Called to query the Message classes supported by the filter. Return
52 // false to indicate that all message types should reach the filter, or true 53 // false to indicate that all message types should reach the filter, or true
53 // if the resulting contents of |supported_message_classes| may be used to 54 // if the resulting contents of |supported_message_classes| may be used to
54 // selectively offer messages of a particular class to the filter. 55 // selectively offer messages of a particular class to the filter.
55 virtual bool GetSupportedMessageClasses( 56 virtual bool GetSupportedMessageClasses(
56 std::vector<uint32>* supported_message_classes) const; 57 std::vector<uint32_t>* supported_message_classes) const;
57 58
58 protected: 59 protected:
59 virtual ~MessageFilter(); 60 virtual ~MessageFilter();
60 61
61 private: 62 private:
62 friend class base::RefCountedThreadSafe<MessageFilter>; 63 friend class base::RefCountedThreadSafe<MessageFilter>;
63 }; 64 };
64 65
65 } // namespace IPC 66 } // namespace IPC
66 67
67 #endif // IPC_MESSAGE_FILTER_H_ 68 #endif // IPC_MESSAGE_FILTER_H_
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